package com.ruoyi.appendix.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ruoyi.appendix.pojo.ProcessRouteItemInstance;
import com.ruoyi.appendix.pojo.ProcessRouteItemParamInstance;
import com.ruoyi.appendix.pojo.ProductStructureInstance;
import com.ruoyi.appendix.service.*;
import com.ruoyi.basic.pojo.BaseParam;
import com.ruoyi.basic.service.BaseParamService;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.production.pojo.*;
import com.ruoyi.production.service.*;
import com.ruoyi.productionPlan.dto.ProductionPlanDto;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * <br>
 * BOM-工艺路线附表Service接口实现类
 * </br>
 *
 * @author deslrey
 * @version 1.0
 * @since 2026/03/18 14:45
 */
@Slf4j
@Service
public class AppendixServiceImpl implements AppendixService {

    @Resource
    private ProcessRouteItemInstanceService processRouteItemInstanceService;

    @Resource
    private ProcessRouteItemParamInstanceService processRouteItemParamInstanceService;

    @Resource
    private ProductStructureInstanceService productStructureInstanceService;

    @Resource
    private BaseParamService baseParamService;

    @Resource
    private ProcessRouteService processRouteService;

    @Resource
    private ProcessRouteItemService processRouteItemService;

    @Resource
    private ProcessRouteItemParamService processRouteItemParamService;

    @Resource
    private ProductStructureService productStructureService;

    @Resource
    private ProductOrderService productOrderService;

    @Override
    public Long populateBlocks(Long orderId, ProductionPlanDto productionPlanDto) {
        if (productionPlanDto == null) {
            throw new ServiceException("下发数据不能为空");
        }
        if (StringUtils.isEmpty(productionPlanDto.getStrength())) {
            throw new ServiceException("砌块的产品类型不能为空");
        }
        ProcessRoute processRoute = processRouteService.latestTypeDate(productionPlanDto.getProductName(), productionPlanDto.getStrength());
        if (processRoute == null) {
            log.info("下发产品【{}】未查询出工艺路线", productionPlanDto.getProductName());
            return null;
        }
        migration(orderId, processRoute);
        return processRoute.getId();
    }

    @Override
    public Long populatePlates(Long orderId, ProductionPlanDto productionPlanDto) {
        if (productionPlanDto == null) {
            throw new ServiceException("下发数据不能为空");
        }
        //  板材不区分强度，strength传null
        ProcessRoute processRoute = processRouteService.latestTypeDate(productionPlanDto.getProductName(), null);
        if (processRoute == null) {
            log.info("下发产品【{}】未查询出工艺路线", productionPlanDto.getProductName());
            return null;
        }
        migration(orderId, processRoute);
        return processRoute.getId();
    }

    @Override
    public void populateData(ProductOrder productOrder) {
        if (productOrder == null) {
            throw new ServiceException("绑定失败.数据不能为空");
        }
        if (productOrder.getId() == null || productOrder.getRouteId() == null) {
            throw new ServiceException("绑定失败,生产订单或工艺路线不能为空");
        }
        ProcessRoute processRoute = processRouteService.getById(productOrder.getRouteId());
        if (processRoute == null) {
            throw new ServiceException("该工艺路线不存在,绑定失败");
        }
        migration(productOrder.getId(), processRoute);

        //  回写工艺路线id到生产订单
        productOrderService.updateById(productOrder);
    }

    @Override
    public void deleteData(Long orderId, Long processRouteId) {
        //  删除工艺路线工序参数附表
        processRouteItemParamInstanceService.remove(new LambdaQueryWrapper<ProcessRouteItemParamInstance>()
                .eq(ProcessRouteItemParamInstance::getOrderId, orderId));

        //  删除工艺路线子集附表
        processRouteItemInstanceService.remove(new LambdaQueryWrapper<ProcessRouteItemInstance>()
                .eq(ProcessRouteItemInstance::getOrderId, orderId)
                .eq(ProcessRouteItemInstance::getRouteId, processRouteId));

        //  删除BOM子集附表
        ProcessRoute processRoute = processRouteService.getById(processRouteId);
        if (processRoute != null && processRoute.getBomId() != null) {
            productStructureInstanceService.remove(new LambdaQueryWrapper<ProductStructureInstance>()
                    .eq(ProductStructureInstance::getOrderId, orderId)
                    .eq(ProductStructureInstance::getBomId, processRoute.getBomId()));
        }
    }

    /**
     * 根据工艺路线迁移附表数据
     */
    private void migration(Long orderId, ProcessRoute processRoute) {
        //  迁移工艺路线子集表数据，返回旧id->新instance映射
        List<ProcessRouteItem> processRouteItemList = processRouteItemService.list(
                new LambdaQueryWrapper<ProcessRouteItem>().eq(ProcessRouteItem::getRouteId, processRoute.getId()));
        Map<Long, ProcessRouteItemInstance> routeItemOldIdMap = migrationProcessRouteItem(orderId, processRouteItemList);

        //  迁移工艺路线内绑定的工序参数
        if (processRouteItemList != null && !processRouteItemList.isEmpty()) {
            for (ProcessRouteItem item : processRouteItemList) {
                ProcessRouteItemInstance newInstance = routeItemOldIdMap.get(item.getId());
                Long newRouteItemInstanceId = newInstance != null ? newInstance.getId() : item.getId();

                List<ProcessRouteItemParam> paramList = processRouteItemParamService.list(
                        new LambdaQueryWrapper<ProcessRouteItemParam>().eq(ProcessRouteItemParam::getRouteItemId, item.getId()));
                migrationProcessRouteItemParam(orderId, paramList, newRouteItemInstanceId);
            }
        }

        //  迁移BOM子集表数据
        if (processRoute.getBomId() != null) {
            List<ProductStructure> structureList = productStructureService.list(
                    new LambdaQueryWrapper<ProductStructure>().eq(ProductStructure::getBomId, processRoute.getBomId()));
            migrationProductStructure(orderId, structureList);
        }
    }

    private Map<Long, ProcessRouteItemInstance> migrationProcessRouteItem(Long orderId, List<ProcessRouteItem> list) {
        Map<Long, ProcessRouteItemInstance> oldIdMap = new HashMap<>();
        if (list == null || list.isEmpty()) {
            return oldIdMap;
        }
        List<ProcessRouteItemInstance> instances = list.stream().map(item -> {
            ProcessRouteItemInstance instance = new ProcessRouteItemInstance();
            BeanUtils.copyProperties(item, instance, "id");
            instance.setIsQuality(item.getIsQuality() != null && item.getIsQuality() ? 1 : 0);
            instance.setOrderId(orderId);
            if (item.getId() != null) {
                oldIdMap.put(item.getId(), instance);
            }
            return instance;
        }).collect(Collectors.toList());
        processRouteItemInstanceService.saveBatch(instances);
        return oldIdMap;
    }

    private void migrationProcessRouteItemParam(Long orderId, List<ProcessRouteItemParam> list, Long newRouteItemInstanceId) {
        if (list == null || list.isEmpty()) {
            return;
        }
        // 批量查询 base_param
        List<Long> paramIds = list.stream().map(ProcessRouteItemParam::getParamId)
                .filter(id -> id != null).distinct().collect(Collectors.toList());
        Map<Long, BaseParam> baseParamMap = new HashMap<>();
        if (!paramIds.isEmpty()) {
            baseParamService.listByIds(paramIds).forEach(bp -> baseParamMap.put(bp.getId(), bp));
        }
        List<ProcessRouteItemParamInstance> instances = list.stream().map(item -> {
            ProcessRouteItemParamInstance instance = new ProcessRouteItemParamInstance();
            BeanUtils.copyProperties(item, instance, "id");
            instance.setOrderId(orderId);
            instance.setRouteItemId(newRouteItemInstanceId);
            // 从 base_param 填充基础字段
            BaseParam bp = baseParamMap.get(item.getParamId());
            if (bp != null) {
                instance.setParamKey(bp.getParamKey());
                instance.setParamName(bp.getParamName());
                instance.setParamType(bp.getParamType());
                instance.setParamFormat(bp.getParamFormat());
                instance.setValueMode(bp.getValueMode());
                instance.setUnit(bp.getUnit());
                instance.setRemark(bp.getRemark());
            }
            return instance;
        }).collect(Collectors.toList());
        processRouteItemParamInstanceService.saveBatch(instances);
    }

    private void migrationProductStructure(Long orderId, List<ProductStructure> list) {
        if (list == null || list.isEmpty()) {
            return;
        }
        Map<Long, ProductStructureInstance> oldIdMap = new HashMap<>();
        List<ProductStructureInstance> instances = list.stream().map(item -> {
            ProductStructureInstance instance = new ProductStructureInstance();
            BeanUtils.copyProperties(item, instance, "id");
            instance.setBomId(item.getBomId() != null ? item.getBomId().longValue() : null);
            instance.setOrderId(orderId);
            if (item.getId() != null) {
                oldIdMap.put(item.getId(), instance);
            }
            return instance;
        }).collect(Collectors.toList());
        productStructureInstanceService.saveBatch(instances);

        //  新增后有id，旧id->新id，修正parentId
        Map<Long, Long> oldToNewId = new HashMap<>();
        list.forEach(item -> {
            if (item.getId() != null && oldIdMap.containsKey(item.getId())) {
                oldToNewId.put(item.getId(), oldIdMap.get(item.getId()).getId());
            }
        });

        List<ProductStructureInstance> toUpdate = instances.stream()
                .filter(i -> i.getParentId() != null && oldToNewId.containsKey(i.getParentId()))
                .peek(i -> i.setParentId(oldToNewId.get(i.getParentId())))
                .collect(Collectors.toList());
        if (!toUpdate.isEmpty()) {
            productStructureInstanceService.updateBatchById(toUpdate);
        }
    }
}